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124330105221 = 3759100347139
BaseRepresentation
bin111001111001010100…
…1101101100110000101
3102212220210000202011220
41303302221231212011
54014112001331341
6133041053350553
711661005312610
oct1636251554605
9385823022156
10124330105221
1148801115283
1220119a98459
13b9553176ca
146036469177
15337a1d4a66
hex1cf2a6d985

124330105221 has 16 divisors (see below), whose sum is σ = 192666508800. Its totient is φ = 69841608048.

The previous prime is 124330105213. The next prime is 124330105223. The reversal of 124330105221 is 122501033421.

It is not a de Polignac number, because 124330105221 - 23 = 124330105213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124330105191 and 124330105200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124330105223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50172331 + ... + 50174808.

It is an arithmetic number, because the mean of its divisors is an integer number (12041656800).

Almost surely, 2124330105221 is an apocalyptic number.

It is an amenable number.

124330105221 is a deficient number, since it is larger than the sum of its proper divisors (68336403579).

124330105221 is a wasteful number, since it uses less digits than its factorization.

124330105221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100347208.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 124330105221 its reverse (122501033421), we get a palindrome (246831138642).

The spelling of 124330105221 in words is "one hundred twenty-four billion, three hundred thirty million, one hundred five thousand, two hundred twenty-one".

Divisors: 1 3 7 21 59 177 413 1239 100347139 301041417 702429973 2107289919 5920481201 17761443603 41443368407 124330105221